agenttesla | b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f

General

Target

b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe
Size

1.4MB
MD5

c8528776be408b9124a954369af8918c
SHA1

50ad4b7bc6acedf741432c5387cf9ca3edcf203b
SHA256

b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f
SHA512

0afb1f6ff6afd102cafc889ebbe75e648ee30defd321a43c7e6bd74e20b87579d9a57a0cc4d24f24de04736d843381fa40e8d1aa5f17c3c08366325805a768b3
SSDEEP

24576:fZj8lCPGvNCAebNbp2SrZzUv1RIAhjLoamMiX4lNmZg0YxegPbUIDPP:flRGUA8n2SrZzIjLoyEkmZ9Y14

Score

10^/10

agenttesla collection discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
server320.web-hosting.com
Port:
587
Username:
[email protected]
Password:
Kbw_vx@RPPD#
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RMBJLaF = "C:\\Users\\Admin\\AppData\\Roaming\\RMBJLaF\\RMBJLaF.exe"	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
33	api.ipify.org
34	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4468 set thread context of 708	4468	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe	101

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4468	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe
4468	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4468	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe
Token: SeDebugPrivilege	708	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 3020	4468	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe	100
PID 4468 wrote to memory of 3020	4468	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe	100
PID 4468 wrote to memory of 3020	4468	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe	100
PID 4468 wrote to memory of 708	4468	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe	101
PID 4468 wrote to memory of 708	4468	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe	101
PID 4468 wrote to memory of 708	4468	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe	101
PID 4468 wrote to memory of 708	4468	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe	101
PID 4468 wrote to memory of 708	4468	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe	101
PID 4468 wrote to memory of 708	4468	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe	101
PID 4468 wrote to memory of 708	4468	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe	101
PID 4468 wrote to memory of 708	4468	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe	101

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe

C:\Users\Admin\AppData\Local\Temp\b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe
"C:\Users\Admin\AppData\Local\Temp\b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4468
- C:\Users\Admin\AppData\Local\Temp\b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe
  "C:\Users\Admin\AppData\Local\Temp\b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe"
  2⤵
  PID:3020
- C:\Users\Admin\AppData\Local\Temp\b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe
  "C:\Users\Admin\AppData\Local\Temp\b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b062873888e5cc3a114ba94ed79bc4b165fd370d2b3aaa3effde6e03c095e92f.exe.log

Filesize
1KB

MD5
36049bae97bba745c793444373453cb0

SHA1
eb6e9a822944e8e207abba1a5e53f0183a1684f1

SHA256
839fa1f9725719938ffa24533587b168bae2768f23ac09dccb3ad4ab8ae6abcd

SHA512
a6584b7b435afeffb6becfbed82517087030eb23534fa50deecd02330bf36d633ba22e979e36b9c27e35885f9cc1cc9481dadc53cc265be61391e11a7c2c7cdb

Download Submit
memory/708-12-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/708-23-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/708-22-0x0000000007050000-0x0000000007212000-memory.dmp

Filesize
1.8MB

Download
memory/708-21-0x0000000006D30000-0x0000000006D80000-memory.dmp

Filesize
320KB

Download
memory/708-20-0x0000000006B90000-0x0000000006B9A000-memory.dmp

Filesize
40KB

Download
memory/708-18-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/708-17-0x00000000051A0000-0x0000000005206000-memory.dmp

Filesize
408KB

Download
memory/708-15-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/4468-10-0x0000000006830000-0x00000000068CC000-memory.dmp

Filesize
624KB

Download
memory/4468-0-0x000000007502E000-0x000000007502F000-memory.dmp

Filesize
4KB

Download
memory/4468-11-0x00000000067D0000-0x0000000006802000-memory.dmp

Filesize
200KB

Download
memory/4468-9-0x0000000006720000-0x000000000678A000-memory.dmp

Filesize
424KB

Download
memory/4468-8-0x0000000005380000-0x000000000538C000-memory.dmp

Filesize
48KB

Download
memory/4468-7-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/4468-16-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/4468-6-0x000000007502E000-0x000000007502F000-memory.dmp

Filesize
4KB

Download
memory/4468-5-0x00000000050B0000-0x00000000050C0000-memory.dmp

Filesize
64KB

Download
memory/4468-4-0x0000000004EF0000-0x0000000004F82000-memory.dmp

Filesize
584KB

Download
memory/4468-3-0x0000000005400000-0x00000000059A4000-memory.dmp

Filesize
5.6MB

Download
memory/4468-2-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/4468-1-0x00000000001B0000-0x000000000031C000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads